/* 域名管理系统 · 原创样式 */
:root{
  --pri:#4a5fe0; --pri-d:#3b4cc0; --pri-l:#eef0fd;
  --ok:#22a06b; --warn:#e6a23c; --err:#e5484d; --info:#3b82f6;
  --txt:#2b2f38; --txt2:#6b7280; --txt3:#9aa1ad;
  --bd:#e6e8ee; --bg:#f5f6fa; --card:#fff;
  --side:#1f2430; --side2:#2a3040;
  --r:10px; --sh:0 1px 3px rgba(16,24,40,.06),0 1px 2px rgba(16,24,40,.04);
}
*{margin:0;padding:0;box-sizing:border-box}
html,body{height:100%}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:14px;color:var(--txt);background:var(--bg);-webkit-font-smoothing:antialiased}
a{color:var(--pri);text-decoration:none}
button{font-family:inherit}
::-webkit-scrollbar{width:8px;height:8px}
::-webkit-scrollbar-thumb{background:#cfd3dc;border-radius:4px}
::-webkit-scrollbar-track{background:transparent}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:5px;height:34px;padding:0 15px;
  border:1px solid var(--bd);border-radius:7px;background:#fff;color:var(--txt);font-size:13px;
  cursor:pointer;transition:.15s;white-space:nowrap;line-height:1}
.btn:hover{border-color:#c8cdd8;background:#fafbfc}
.btn:disabled{opacity:.5;cursor:not-allowed}
.btn-primary{background:var(--pri);border-color:var(--pri);color:#fff}
.btn-primary:hover{background:var(--pri-d);border-color:var(--pri-d)}
.btn-danger{background:#fff;border-color:#f3c1c3;color:var(--err)}
.btn-danger:hover{background:#fdeeee}
.btn-plain{background:transparent;border-color:transparent;color:var(--txt2)}
.btn-plain:hover{background:rgba(0,0,0,.05);border-color:transparent;color:var(--txt)}
.btn-sm{height:28px;padding:0 10px;font-size:12px;border-radius:6px}
.btn-block{width:100%;height:42px;font-size:15px}
.btn-xs{height:24px;padding:0 8px;font-size:12px;border-radius:5px}
.icon-btn{width:32px;height:32px;border:1px solid var(--bd);border-radius:7px;background:#fff;
  cursor:pointer;color:var(--txt2);font-size:15px;display:none;align-items:center;justify-content:center}

/* ---------- 登录页 ---------- */
.login-body{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:20px;
  background:linear-gradient(135deg,#5b6ee8 0%,#7d5bc0 55%,#a45fb0 100%);position:relative;overflow:hidden}
.login-bg{position:absolute;inset:-50%;background-image:radial-gradient(circle,rgba(255,255,255,.13) 1px,transparent 1px);
  background-size:44px 44px;animation:drift 26s linear infinite}
@keyframes drift{to{transform:translate(44px,44px)}}
.login-card{position:relative;z-index:1;width:100%;max-width:400px;background:rgba(255,255,255,.97);
  border-radius:16px;padding:38px 34px 26px;box-shadow:0 24px 70px rgba(0,0,0,.3);text-align:center}
.login-logo{width:66px;height:66px;margin:0 auto 16px;border-radius:18px;
  background:linear-gradient(135deg,#5b6ee8,#8b5bd0);display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 22px rgba(91,110,232,.4)}
.login-card h1{font-size:22px;font-weight:600;margin-bottom:6px}
.login-sub{font-size:13px;color:var(--txt3);margin-bottom:26px}
.login-card .field{text-align:left;margin-bottom:16px}
.login-card label{display:block;font-size:13px;color:var(--txt2);margin-bottom:6px}
.login-card input{width:100%;height:42px;padding:0 13px;border:1px solid var(--bd);border-radius:8px;
  font-size:14px;outline:none;transition:.2s;background:#fff}
.login-card input:focus{border-color:var(--pri);box-shadow:0 0 0 3px rgba(74,95,224,.12)}
.login-err{background:#fdeeee;border:1px solid #f6d4d6;color:var(--err);border-radius:8px;
  padding:10px 12px;font-size:13px;margin-bottom:14px;text-align:left}
.login-foot{margin-top:20px;font-size:12px;color:var(--txt3)}

/* ---------- 布局 ---------- */
.layout{display:flex;min-height:100vh}
.sidebar{width:216px;flex-shrink:0;background:var(--side);color:#c9ceda;display:flex;flex-direction:column;
  position:sticky;top:0;height:100vh}
.brand{display:flex;align-items:center;gap:10px;padding:18px 16px;border-bottom:1px solid rgba(255,255,255,.07)}
.brand-logo{width:34px;height:34px;border-radius:9px;background:linear-gradient(135deg,#5b6ee8,#8b5bd0);
  display:flex;align-items:center;justify-content:center;flex-shrink:0}
.brand-text{display:flex;flex-direction:column;min-width:0}
.brand-text strong{color:#fff;font-size:14px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.brand-text span{font-size:11px;color:#7c8494;margin-top:2px}
.menu{flex:1;padding:12px 10px;overflow-y:auto}
.menu-item{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:8px;cursor:pointer;
  color:#b6bcc9;font-size:13.5px;margin-bottom:3px;transition:.15s;user-select:none}
.menu-item:hover{background:var(--side2);color:#fff}
.menu-item.active{background:var(--pri);color:#fff;box-shadow:0 3px 10px rgba(74,95,224,.35)}
.menu-item i{width:17px;height:17px;flex-shrink:0;opacity:.9}
.side-foot{padding:14px 14px 16px;border-top:1px solid rgba(255,255,255,.07)}
.side-user{display:flex;align-items:center;gap:9px;margin-bottom:10px}
.avatar{width:30px;height:30px;border-radius:50%;background:var(--side2);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:13px;flex-shrink:0}
.uname{font-size:13px;color:#e5e8ef;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.side-foot .btn{width:100%;color:#b6bcc9}
.side-foot .btn:hover{background:var(--side2);color:#fff}
.side-ver{margin-top:9px;font-size:11px;color:#666d7c;text-align:center}

.main{flex:1;min-width:0;display:flex;flex-direction:column}
.topbar{height:56px;background:#fff;border-bottom:1px solid var(--bd);display:flex;align-items:center;
  gap:12px;padding:0 20px;position:sticky;top:0;z-index:20}
.topbar h2{font-size:16px;font-weight:600;flex:1}
.topbar-right{display:flex;align-items:center;gap:10px}
.clock{font-size:12px;color:var(--txt3);font-variant-numeric:tabular-nums}
.alert-warn{margin:14px 20px 0;background:#fdf6ec;border:1px solid #f7e2c0;color:#b88230;
  padding:10px 14px;border-radius:8px;font-size:13px}
.content{padding:20px;flex:1}

/* ---------- 卡片 / 通用 ---------- */
.card{background:var(--card);border:1px solid var(--bd);border-radius:var(--r);box-shadow:var(--sh);margin-bottom:16px}
.card-hd{padding:14px 18px;border-bottom:1px solid var(--bd);display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.card-hd h3{font-size:14.5px;font-weight:600;flex:1}
.card-bd{padding:18px}
.grid{display:grid;gap:14px}
.g4{grid-template-columns:repeat(4,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g2{grid-template-columns:repeat(2,1fr)}
.stat{background:var(--card);border:1px solid var(--bd);border-radius:var(--r);padding:16px 18px;box-shadow:var(--sh)}
.stat .lb{font-size:12.5px;color:var(--txt3);display:flex;align-items:center;gap:6px}
.stat .vl{font-size:26px;font-weight:600;margin-top:8px;font-variant-numeric:tabular-nums;line-height:1.2}
.stat .sub{font-size:12px;color:var(--txt3);margin-top:6px}
.stat .sub b{font-weight:600}
.up{color:var(--ok)}.down{color:var(--err)}
.chart-box{position:relative;height:260px}
.chart-box.sm{height:220px}

/* ---------- 表格 ---------- */
.tbl-wrap{overflow-x:auto}
table.tbl{width:100%;border-collapse:collapse;font-size:13px}
table.tbl th{background:#fafbfc;color:var(--txt2);font-weight:600;text-align:left;
  padding:10px 12px;border-bottom:1px solid var(--bd);white-space:nowrap;font-size:12.5px}
table.tbl td{padding:10px 12px;border-bottom:1px solid #f1f2f6;vertical-align:middle}
table.tbl tbody tr:hover{background:#fafbff}
table.tbl .num{font-variant-numeric:tabular-nums}
table.tbl .ops{white-space:nowrap;display:flex;gap:6px}
.empty{padding:52px 20px;text-align:center;color:var(--txt3);font-size:13px}
.empty .ico{font-size:34px;opacity:.45;display:block;margin-bottom:10px}

.tag{display:inline-block;padding:2px 8px;border-radius:20px;font-size:11.5px;line-height:18px;white-space:nowrap}
.tag-on{background:#e8f6ef;color:var(--ok)}
.tag-off{background:#f2f3f5;color:var(--txt3)}
.tag-os{background:var(--pri-l);color:var(--pri)}
.tag-gray{background:#f2f3f5;color:var(--txt2)}

.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:12.5px}
.ell{max-width:280px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;display:inline-block;vertical-align:middle}
.ell.s{max-width:170px}

/* ---------- 表单 ---------- */
.frow{margin-bottom:15px}
.frow>label{display:block;font-size:13px;color:var(--txt2);margin-bottom:6px}
.frow>label b{color:var(--err);font-weight:400}
.inp,.sel,.ta{width:100%;height:36px;padding:0 11px;border:1px solid var(--bd);border-radius:7px;
  font-size:13.5px;outline:none;transition:.15s;background:#fff;color:var(--txt);font-family:inherit}
.ta{height:auto;padding:9px 11px;resize:vertical;min-height:74px;line-height:1.6}
.inp:focus,.sel:focus,.ta:focus{border-color:var(--pri);box-shadow:0 0 0 3px rgba(74,95,224,.1)}
.inp:disabled{background:#f7f8fa;color:var(--txt3)}
.sel{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%239aa1ad'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 11px center;padding-right:28px;cursor:pointer}
.f2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.tip{font-size:12px;color:var(--txt3);margin-top:6px;line-height:1.7}
.switch{position:relative;display:inline-block;width:40px;height:22px;flex-shrink:0}
.switch input{opacity:0;width:0;height:0}
.slider{position:absolute;inset:0;background:#d3d7e0;border-radius:22px;transition:.2s;cursor:pointer}
.slider:before{content:"";position:absolute;width:16px;height:16px;left:3px;top:3px;background:#fff;
  border-radius:50%;transition:.2s;box-shadow:0 1px 3px rgba(0,0,0,.2)}
.switch input:checked + .slider{background:var(--pri)}
.switch input:checked + .slider:before{transform:translateX(18px)}
.sw-row{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:12px 0;border-bottom:1px solid #f1f2f6}
.sw-row:last-child{border-bottom:0}
.sw-row .t{font-size:13.5px;color:var(--txt)}
.sw-row .d{font-size:12px;color:var(--txt3);margin-top:3px;line-height:1.6}

/* ---------- 筛选条 ---------- */
.filters{display:flex;gap:10px;flex-wrap:wrap;align-items:flex-end}
.filters .fi{display:flex;flex-direction:column;gap:5px}
.filters .fi>span{font-size:12px;color:var(--txt3)}
.filters .inp,.filters .sel{height:32px;font-size:13px;width:auto;min-width:120px}
.filters .grow{min-width:200px;flex:1}

/* ---------- 分页 ---------- */
.pager{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 18px;
  border-top:1px solid var(--bd);flex-wrap:wrap}
.pager .info{font-size:12.5px;color:var(--txt3)}
.pager .pages{display:flex;gap:5px;align-items:center}
.pg{min-width:30px;height:30px;padding:0 8px;border:1px solid var(--bd);background:#fff;border-radius:6px;
  cursor:pointer;font-size:12.5px;color:var(--txt2)}
.pg:hover:not(:disabled){border-color:var(--pri);color:var(--pri)}
.pg.cur{background:var(--pri);border-color:var(--pri);color:#fff}
.pg:disabled{opacity:.4;cursor:not-allowed}

/* ---------- 弹窗 ---------- */
.modal-mask{position:fixed;inset:0;background:rgba(20,24,34,.45);z-index:1000;
  display:flex;align-items:center;justify-content:center;padding:20px;backdrop-filter:blur(2px)}
.modal{background:#fff;border-radius:12px;width:100%;max-width:520px;max-height:88vh;display:flex;
  flex-direction:column;box-shadow:0 24px 70px rgba(0,0,0,.3);animation:pop .18s ease}
.modal.wide{max-width:720px}
@keyframes pop{from{transform:translateY(12px) scale(.98);opacity:0}to{transform:none;opacity:1}}
.modal-hd{padding:15px 20px;border-bottom:1px solid var(--bd);display:flex;align-items:center;font-size:15px;font-weight:600}
.modal-hd span{flex:1}
.modal-x{width:26px;height:26px;border:0;background:transparent;font-size:20px;color:var(--txt3);cursor:pointer;border-radius:5px}
.modal-x:hover{background:#f2f3f5;color:var(--txt)}
.modal-bd{padding:20px;overflow-y:auto;flex:1}
.modal-ft{padding:13px 20px;border-top:1px solid var(--bd);display:flex;justify-content:flex-end;gap:9px}

.kv{display:grid;grid-template-columns:92px 1fr;gap:9px 12px;font-size:13px}
.kv dt{color:var(--txt3)}
.kv dd{color:var(--txt);word-break:break-all}

.qrbox{text-align:center;padding:8px 0}
.qrbox .qr{display:inline-block;padding:12px;background:#fff;border:1px solid var(--bd);border-radius:10px}
.qrbox .qr img,.qrbox .qr canvas{display:block}
.qrbox .url{margin-top:12px;font-size:12.5px;color:var(--txt2);word-break:break-all;
  background:#f7f8fa;padding:8px 10px;border-radius:6px}

/* ---------- Toast ---------- */
.toast-wrap{position:fixed;top:18px;left:50%;transform:translateX(-50%);z-index:2000;
  display:flex;flex-direction:column;gap:8px;align-items:center;pointer-events:none}
.toast{background:#fff;border:1px solid var(--bd);border-left:3px solid var(--pri);border-radius:8px;
  padding:10px 16px;font-size:13px;box-shadow:0 6px 22px rgba(16,24,40,.12);animation:tin .2s ease;max-width:82vw}
.toast.ok{border-left-color:var(--ok)}
.toast.err{border-left-color:var(--err)}
.toast.warn{border-left-color:var(--warn)}
@keyframes tin{from{transform:translateY(-12px);opacity:0}to{transform:none;opacity:1}}

/* ---------- 加载 ---------- */
.loading{padding:44px;text-align:center;color:var(--txt3);font-size:13px}
.spin{display:inline-block;width:18px;height:18px;border:2px solid var(--bd);border-top-color:var(--pri);
  border-radius:50%;animation:sp .7s linear infinite;vertical-align:-4px;margin-right:7px}
@keyframes sp{to{transform:rotate(360deg)}}
.skel{background:linear-gradient(90deg,#f2f3f6 25%,#e9ebf0 37%,#f2f3f6 63%);background-size:400% 100%;
  animation:sk 1.3s ease infinite;border-radius:6px;height:14px}
@keyframes sk{0%{background-position:100% 50%}100%{background-position:0 50%}}

/* ---------- 响应式 ---------- */
@media (max-width:1100px){.g4{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:1fr}}
@media (max-width:760px){
  .sidebar{position:fixed;left:0;top:0;z-index:100;transform:translateX(-100%);transition:.22s;box-shadow:0 0 40px rgba(0,0,0,.3)}
  .sidebar.open{transform:none}
  .icon-btn{display:inline-flex}
  .content{padding:12px}
  .g4,.g3,.g2,.f2{grid-template-columns:1fr}
  .clock{display:none}
  .filters .inp,.filters .sel{min-width:0;width:100%}
  .filters .fi{flex:1;min-width:130px}
  .alert-warn{margin:12px 14px 0}
  .quick-add-row{flex-direction:column}
  .quick-add-arrow{transform:rotate(90deg)}
  .domain-flow{flex-direction:column;text-align:center}
  .domain-flow-arrow{transform:rotate(90deg)}
  .domain-card-top{flex-direction:column;gap:8px}
  .domain-card-actions{align-self:flex-end}
  /* 移动端表格横向滚动 */
  .tbl-wrap{-webkit-overflow-scrolling:touch}
  table.tbl{min-width:600px}
  /* 移动端弹窗全屏 */
  .modal{max-width:100%;max-height:100vh;border-radius:0}
  .modal-mask{padding:0}
  /* 移动端按钮加大触摸区 */
  .btn{min-height:40px;padding:0 14px}
  .btn-xs{min-height:32px;padding:0 10px}
  /* 移动端表单输入加大 */
  .inp,.sel,.ta{height:42px;font-size:15px}
  .ta{height:auto;min-height:80px}
  /* 数据概览移动端 2x2 网格 */
  .stat-grid-2x2{grid-template-columns:1fr 1fr !important}
  /* 顶部栏紧凑 */
  .topbar{padding:0 12px;gap:8px}
  .topbar h2{font-size:15px}
  /* 卡片内部间距缩小 */
  .card-bd{padding:14px}
  .card-hd{padding:12px 14px}
}

/* ---------- 域名管理 · 快速添加 ---------- */
.quick-add-row{display:flex;align-items:flex-end;gap:12px}
.quick-add-field{display:flex;flex-direction:column;gap:4px}
.quick-add-field label{font-size:12px;color:var(--txt3);font-weight:500}
.quick-add-arrow{display:flex;align-items:center;justify-content:center;padding:0 4px 6px;font-size:22px;color:var(--pri);font-weight:700;flex-shrink:0}

/* ---------- 域名管理 · 卡片列表 ---------- */
.domain-cards{display:flex;flex-direction:column;gap:10px}
.domain-card{background:#fff;border:1px solid var(--bd);border-radius:var(--r);padding:14px 18px;transition:.15s;box-shadow:var(--sh)}
.domain-card:hover{border-color:#c8cdd8;box-shadow:0 2px 8px rgba(16,24,40,.08)}
.domain-card-on{border-left:3px solid var(--ok)}
.domain-card-off{border-left:3px solid var(--txt3);opacity:.7}

.domain-card-top{display:flex;align-items:center;gap:12px}
.domain-card-ck{display:flex;align-items:center;flex-shrink:0}
.domain-card-ck input{width:16px;height:16px;accent-color:var(--pri)}
.domain-card-main{flex:1;min-width:0}
.domain-card-actions{display:flex;align-items:center;gap:8px;flex-shrink:0}

.domain-flow{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.domain-flow-from,.domain-flow-to{display:flex;flex-direction:column;gap:2px;min-width:0}
.domain-flow-label{font-size:11px;color:var(--txt3);text-transform:uppercase;letter-spacing:.5px}
.domain-flow-name{font-size:15px;font-weight:600;color:var(--txt);word-break:break-all}
.domain-flow-url{font-size:13px;color:var(--pri);word-break:break-all}
.domain-flow-url:hover{text-decoration:underline}
.domain-flow-empty{font-size:13px;color:var(--txt3)}
.domain-flow-remark{font-size:12px;color:var(--txt3);margin-top:2px}
.domain-flow-arrow{flex-shrink:0;color:var(--pri);opacity:.6}

.domain-card-meta{display:flex;align-items:center;gap:8px;margin-top:10px;padding-top:10px;border-top:1px solid #f1f2f6;flex-wrap:wrap}
.domain-card-stats{font-size:12px;color:var(--txt3);font-variant-numeric:tabular-nums}
.domain-card-stats b{color:var(--txt);font-weight:600}

/* ---------- 数据概览 · 核心统计卡片（2x2 网格）---------- */
.stat-grid-2x2{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:16px}
.stat-card-big{background:#fff;border:1px solid var(--bd);border-radius:var(--r);padding:18px 16px;
  box-shadow:var(--sh);text-align:center;transition:.15s}
.stat-card-big:hover{box-shadow:0 3px 12px rgba(0,0,0,.08);transform:translateY(-1px)}
.stat-card-big .num{font-size:32px;font-weight:700;color:var(--ok);font-variant-numeric:tabular-nums;line-height:1.2}
.stat-card-big .label{font-size:13px;color:var(--txt3);margin-top:4px}
.stat-card-big.blue .num{color:var(--info)}
.stat-card-big.purple .num{color:#8b5cf6}
.stat-card-big.orange .num{color:#f97316}
.stat-card-big.ios .num{color:#007aff}
.stat-card-big.android .num{color:#3ddc84}

/* 操作按钮行 */
.action-bar{display:flex;gap:8px;margin-bottom:16px;flex-wrap:wrap}
.action-bar .btn{flex:1;min-width:120px;justify-content:center}